Three-step adjustable closure



FIG. 1 is a front elevational view of the three-step adjustable closure showing my new design in its fully, contracted position;

FIG. 2 is a bottom elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof showing the adjustable closure open to an intermediate step;

FIG. 6 is a bottom elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof showing the closure open fully;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a left side elevational view thereof;

FIG. 14 is a right side elevational view thereof;

FIG. 15 is a front elevational exploded view thereof;

FIG. 16 is a rear elevational exploded view thereof;

FIG. 17 is a bottom plan exploded view thereof;

FIG. 18 is a top plan exploded view thereof;

FIG. 19 is a view taken along line 19—19 of FIG. 17; and,

FIG. 20 is a view taken along the line 20—20 of FIG. 17. 

The ornamental design for a three-step adjustable closure, as shown and described. 